If you don't have a 3D printer or want a simple card, you can print out our design on paper!

Just print and cut out the the heart. You can build a simple spring from paper and glue together.

You can use smaller 3mm LEDs for the eyes

This guide was first published on Feb 04, 2014. It was last updated on Feb 04, 2014.

This page (2D Printing) was last updated on Oct 22, 2021.

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